Jay-Z wears one, Arnold Schwarzenegger has one, and most recently, Serena Williams won her seventh Wimbledon title wearing its sportier sibling, the Royal Oak Offshore. Here's what you need to know about Audemars Piguet's iconic Royal Oak watch.

Take a look at your watch. If it bears the words ‘Swiss’ or ‘Swiss Made’, you have the late Nicolas G. Hayek to thank. The former co-founder, CEO and Chairman of the Swatch Group was routinely referred to as the Godfather of the Swiss mechanical watch industry. And for good reason: he more or less single-handedly rescued it from the brink of obsolescence amid the quartz crisis.